Term
Which layer of the skin does NOT contain blood vessels?
a)epidermis
b)hypodermis
c)dermis |
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Definition
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Term
In which layer of the skin are melanocytes located?
a)hypodermis
b)epidermis
c)dermis |
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Definition
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Term
What is the function of an adipocyte?
a)fat production
b)fat degradation
c)fat storage |
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Definition
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Term
Which of these body parts does NOT contain melanin?
a)nails
b)hair
c)skin |
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Definition
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Term
What is the function of a pore?
a)to grow hair
b)to secrete sweat
c)to produce sweat |
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Definition
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Term
What is sebum?
a)sweat
b)a hormone
c)an oily substance secreted onto hair |
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Definition
| c)an oily substance secreted onto hair |
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Term
Sweat glands are located in the ...
a)dermis
b)epidermis
c)hypodermis |
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Definition
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Term
What type of tissue is the main component of the dermis?
a)fatty tissue
b)connective tissue
c)soft tissue |
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Definition
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Term
Where are hair roots located within the skin?
a)in the hypodermis
b)in the epidermis
c)in the dermis |
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Definition
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Term
What substance are nails made of?
a)keratin
b)melanin
c)collagen |
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Definition
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Term
Which condition is caused by lack of melanin synthesis?
a)warts
b)albinism
c)alopecia |
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Definition
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Term
Where on the body does hair NOT grow?
a)the nose
b)the head
c)the palms of the hands |
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Definition
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Term
Which is NOT part of the connective tissue in the dermis?
a)keratinocytes
b)collagen
c)elastin |
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Definition
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Term
Which of these is NOT a function of hair?
a)to sense movement
b)to secrete sweat
c)insulation |
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Definition
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Term
What can trigger vitamin D synthesis?
a)exposure to warmth
b)drinking milk
c)exposure to sunlight |
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Definition
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Term
Which type of layer separates the epidermis from the dermis?
a)a layer of fat
b)a basement membrane
c)a layer of fluid |
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Definition
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Term
How does the epidermis absorb oxygen?
a)by diffusion from capillary beds
b)it does not need oxygen
c)by diffusion with the surrounding air |
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Definition
| c)by diffusion with the surrounding air |
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Term
What type of cell provides the physical barrier of the skin?
a)keratinocytes
b)melanocytes
c)adipocytes |
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Definition
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Term
What type of epithelium is the epidermis composed of?
a)pseudostratified epithelium
b)stratified squamous epithelium
c)simple columnar epithelium |
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Definition
| b)stratified squamous epithelium |
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Term
Which of the following is NOT a type of adipose tissue?
a)brown adipose tissue
b)white adipose tissue
c)black adipose tissue |
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Definition
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Term
What is the function of melanin?
a)to protect the DNA in cells from UV radiation
b)to protect the skin from insect bites
c)to produce fat |
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Definition
| a)to protect the DNA in cells from UV radiation |
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Term
Sebum is secreted from the ...
a)salivary gland
b)sebaceous gland
c)pituitary gland |
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Definition
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Term
What is alopecia?
a)lack of pigment in the skin
b)a type of burn
c)hair loss |
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Definition
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Term
What are the immune cells in the epidermis called?
a)langerhans cells
b)macrophages
c)neurons |
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Definition
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Term
Which organ produces hair?
a)the skin
b)the hair follicle
c)the hair fibre |
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Definition
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Term
What is the function of the connective tissue in the dermis?
a)to give the skin rigidity
b)to make the skin waterproof
c)to give flexibility to the skin |
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Definition
| c)to give flexibility to the skin |
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Term
UVB radiation damage can cause which of the following?
a)malignant melanoma
b)lymphoma
c)sunburn |
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Definition
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Term
What is the function of piloerection?
a)to secrete sebum
b)to trap warm air between hairs
c)to trap cold air between hairs |
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Definition
| b)to trap warm air between hairs |
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Term
What is the function of the arrector pili muscle?
a)to flatten down hairs
b)to secrete sebum
c)to make hairs stand on end |
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Definition
| c)to make hairs stand on end |
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Term
What is cornification?
a)keratinocytes forming a physical barrier
b)keratinocytes shedding from the skin
c)hair growth |
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Definition
| a)keratinocytes forming a physical barrier |
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